18. Disconnect the USB cable from the main board.
19. Remove the three screws fastening the main board to the lower case.
20. Detach the main board from the lower case assembly.
21. Remove the screw holding the USB board to the lower case.
22. Then detach the USB cable and USB board from the lower case.
Removing the Thermal Module and CPU
23. Remove the five screws holding the thermal module.
24. Then detach the thermal module.
25. Use a flat screwdriver to release the CPU lock (Turn counter clock-wire).
26. Remove the CPU from the CPU socket carefully.
Chapter 3
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